2007 Cadillac XLR Cooling System Parts

This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator. Read more

16 Coolant / Antifreeze parts for the 2007 Cadillac XLR come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 4.4L V8 Supercharged and the 4.6L V8.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 4 options from FVP, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Premium grade, PRESTONE and PEAK supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, VALVOLINE, PRESTONE, ACDELCO and 2 other brands supply 7 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

6 Coolant Hose / Pipe parts for the 2007 Cadillac XLR come from 4 brands — CONTINENTAL, ACDELCO, DAYCO and 1 other brand. The "Popular" part is CONTINENTAL 61267.

Part numbers include CONTINENTAL 61267, DAYCO 71709 and ACDELCO 20149S, among others listed above.

This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

3 Coolant Reservoir Cap parts are listed for the 2007 Cadillac XLR, from ACDELCO, DORMAN and MOTORAD. All of them fit every engine offered in the 2007 XLR.

Part numbers include ACDELCO 12R04, DORMAN 54216 and MOTORAD T61.

This table covers the Cooling Fan control modules. Read more

6 Cooling Fan Control Module parts are listed for the 2007 Cadillac XLR, from US MOTOR WORKS, STANDARD MOTOR PRODUCTS, DORMAN and 1 other brand. STANDARD MOTOR PRODUCTS RY2011 carries the "Popular" badge. All of them fit every engine offered in the 2007 XLR.

This group includes STANDARD MOTOR PRODUCTS RY2011, DORMAN 902437 and GM GENUINE 19530917 and the remaining parts above.

This table covers the adapters used to pressure-test this cooling system. Read more

4 Cooling System Tester Adapter parts for the 2007 Cadillac XLR come from 2 brands — GATES and MOTORAD. Every part fits both the 4.4L V8 Supercharged and the 4.6L V8.

Listed part numbers: GATES 31431, GATES 31391 and MOTORAD 3128, plus the other parts above.

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap. Read more

6 Radiator parts for the 2007 Cadillac XLR come from 6 brands — TECHPRO, DENSO, TYC and 3 other brands. The "Popular" part is DENSO 2219393. 5 parts fit every engine; the other 1 is engine-specific.

The Economy section: 1 option from TECHPRO. TECHPRO GM3010506 is listed in this group.

Standard Replacement: 5 parts, from DENSO, TYC, FVP and 2 other brands. A representative part number is DENSO 2219393.

Part numbers include DENSO 2219393, TECHPRO GM3010506 and TYC 2715, among others listed above.

This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

2 Radiator Cap parts for the 2007 Cadillac XLR come from 2 brands — ACDELCO and GATES.

This group includes ACDELCO RC107 and GATES 31566.

This table covers the petcocks used to drain the radiator. Read more

One part is listed for the 2007 Cadillac XLR — DORMAN 61136.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

8 Radiator Fan Assembly parts are listed for the 2007 Cadillac XLR, from DORMAN, SKP, GPD and 5 other brands. DORMAN 621102 carries the "Popular" badge.

Economy: 3 parts, from DORMAN, SKP and GPD. A representative part number is DORMAN 621102.

The Standard Replacement section: 5 options from AGILITY, FOUR SEASONS, TYC and 2 other brands. AGILITY 6016142 is listed in this group.

This group includes DORMAN 621102, SKP SK621102 and GPD 2811645 and the remaining parts above.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

5 Radiator Hose parts are listed for the 2007 Cadillac XLR, from GATES, ACDELCO, CONTINENTAL and 1 other brand. GATES 21665 carries the "Popular" badge.

This group includes GATES 21665, ACDELCO 24215L and CONTINENTAL 61546 and the remaining parts above.

This table covers the Radiator Upper Air Baffle retainers and clips. Read more

DORMAN supplies both parts for the 2007 Cadillac XLR.

This group includes DORMAN 45490 and DORMAN 961070.

This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender. Read more

22 Temperature Sender / Sensor parts for the 2007 Cadillac XLR come from 17 brands — STANDARD MOTOR PRODUCTS, NTK, WALKER PRODUCTS and 14 other brands. The "Popular" part is NTK EF0008.

The Economy section: 8 options from NTK, STANDARD MOTOR PRODUCTS, GPD and 5 other brands. NTK EF0008 is listed in this group.

The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 21191012 is listed in this group.

Standard Replacement: 13 parts, from STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 8 other brands. A representative part number is ACDELCO 1551107.

This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part. Read more

5 Thermostat parts are listed for the 2007 Cadillac XLR, from MOTORAD, GATES and GM GENUINE. MOTORAD 339180 carries the "Popular" badge.

The Heavy Duty section lists 1 option from MOTORAD — rated for severe service. MOTORAD 5339180 is listed in this group.

The Premium section: 1 option from MOTORAD. MOTORAD 7339180 is listed in this group.

The Standard Replacement section: 3 options from MOTORAD, GATES and GM GENUINE. MOTORAD 339180 is listed in this group.

Part numbers include MOTORAD 339180, MOTORAD 5339180 and MOTORAD 7339180, among others listed above.

This table covers the seals at the thermostat housing and water outlet. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

8 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2007 Cadillac XLR come from 5 brands — FEL-PRO, APEX, VICTOR REINZ and 2 other brands. The "Popular" part is FEL-PRO 35660.

This group includes FEL-PRO 35660, FEL-PRO 35863 and APEX AWO2089 and the remaining parts above.

This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off. Read more

11 Water Pump parts are listed for the 2007 Cadillac XLR, from FVP, GATES, GMB and 5 other brands. US MOTOR WORKS US8955 carries the "Popular" badge.

Economy: 4 parts, from US MOTOR WORKS, AIRTEX, FVP and 1 other brand. A representative part number is US MOTOR WORKS US8955.

The Standard Replacement section: 7 options from GATES, GMB, ACDELCO and 2 other brands. ACDELCO 252890 is listed in this group.

This table covers the gaskets between the water pump and the block or housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

2 Water Pump Gasket parts for the 2007 Cadillac XLR come from 2 brands — APEX and VICTOR REINZ.

Part numbers include APEX AWP3309 and VICTOR REINZ 711603300.

This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

2 Water Pump Seal / O-Ring parts are listed for the 2007 Cadillac XLR, from FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: FEL-PRO 35860 and MAHLE / CLEVITE K32433.